21516066

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{643}}^1$

素因数の和:688

約数の個数: 72

約数和(自身を含む): 55154736

約数和(自身を除く): 33638670

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 169, 198, 234, 286, 338, 429, 507, 643, 858, 1014, 1286, 1287, 1521, 1859, 1929, 2574, 3042, 3718, 3858, 5577, 5787, 7073, 8359, 11154, 11574, 14146, 16718, 16731, 21219, 25077, 33462, 42438, 50154, 63657, 75231, 91949, 108667, 127314, 150462, 183898, 217334, 275847, 326001, 551694, 652002, 827541, 978003, 1195337, 1655082, 1956006, 2390674, 3586011, 7172022, 10758033, 21516066]

約数ペア:

[(1, 21516066), (2, 10758033), (3, 7172022), (6, 3586011), (9, 2390674), (11, 1956006), (13, 1655082), (18, 1195337), (22, 978003), (26, 827541), (33, 652002), (39, 551694), (66, 326001), (78, 275847), (99, 217334), (117, 183898), (143, 150462), (169, 127314), (198, 108667), (234, 91949), (286, 75231), (338, 63657), (429, 50154), (507, 42438), (643, 33462), (858, 25077), (1014, 21219), (1286, 16731), (1287, 16718), (1521, 14146), (1859, 11574), (1929, 11154), (2574, 8359), (3042, 7073), (3718, 5787), (3858, 5577)]